Rename the event and states tables to bat_event and bat_states. It's unacceptable, unlawful and naughty to have non-core tables without the prefix of the module they belong to.
Actually, now I see, there are even more, unit and unit_type.
Postponed
1.0
Code
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It's likely this issue predates Contrib.social: some issue and comment data are missing.
Had the same feeling while browsing the database schema.
This issue may have large impact when implementing fixes.
At this stage, we need more energies to plan the move